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Glasgow Intl

$626+ Cheap flights from Portland, ME (PWM) to Glasgow Intl (GLA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — GLA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap flight deals from Portland to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$626
(Delta)
Provider with most accurate pricing for Portland-Glasgow Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Glasgow Intl flights.
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From Portland to Glasgow Intl
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Find flight deals from Portland to Glasgow Intl

Best flights from Portland to Glasgow Intl
Discover carefully curated flight deals from Portland to Glasgow Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

This Delta deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/222:35 pmPWM - GLA
2 stops14h 20mDelta
Mon 1/2610:40 amGLA - PWM
2 stops40h 47mDelta
Deal found 11/25$626
This KLM deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/96:16 amPWM - GLA
2 stops22h 39mKLM
Fri 1/166:05 amGLA - PWM
2 stops23h 15mKLM
Deal found 11/25$904
This Delta deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:35 pmPWM - GLA
2 stops20h 40mDelta
Thu 4/236:00 amGLA - PWM
2 stops22h 59mDelta
Deal found 11/25$942
This oojo deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:20 pmPWM - GLA
2 stops18h 05mIcelandair
Thu 4/232:20 pmGLA - PWM
2 stops14h 16mIcelandair
Deal found 11/25$3,148

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Glasgow Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Portland to Glasgow Intl Airport that are best for you.

Fly from

Portland

Fly to

Glasgow Intl

Route

Depart

Return

Price

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Thu 1/22

2:35 pm-9:55 am

2 stops14h 20m

Glasgow Intl

Mon 1/26

10:40 am-10:27 pm

2 stops40h 47m

$626

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 1/9

6:16 am-9:55 am

2 stops22h 39m

Glasgow Intl

Fri 1/16

6:05 am-12:20 am

2 stops23h 15m

$904

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 4/17

2:35 pm-4:15 pm

2 stops20h 40m

Glasgow Intl

Thu 4/23

6:00 am-11:59 pm

2 stops22h 59m

$942

PortlandGlasgow

PWM - GLA

PWMGLA

Portland

Fri 4/17

2:20 pm-1:25 pm

2 stops18h 05m

Glasgow Intl

Thu 4/23

2:20 pm-11:36 pm

2 stops14h 16m

$3,148

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Compare providers for flights from Portland to Glasgow Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Glasgow Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Glasgow Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland, Maine-Glasgow Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland, Maine-Glasgow Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Glasgow Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Glasgow Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Glasgow Intl Airport

What is the cheapest month to book a flight from Portland, Maine to Glasgow Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Glasgow Intl Airport (average of $472). Flying from Portland, Maine to Glasgow Intl Airport in June is currently the most expensive (average of $579). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Glasgow Intl?

    Portland (PWM), located 2.9 mi from the city center, is the airport you fly out of when you book flights from Portland to Glasgow Intl. 0 airlines have flights from Portland to Glasgow Intl on a regular basis. Booking flights from Portland to Glasgow Intl should not be difficult; the airport handles an average of 0 outbound flights to Glasgow Intl per day.

  • How long is the flight from Portland, Maine to Glasgow Intl Airport?

    A quick flight from Portland, Maine to Glasgow Intl Airport can take about 14h 20m. Delta provides one of the quickest options available for as low as $626. Airlines will cover a distance of 2934 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Portland to Glasgow Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Glasgow Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Glasgow Intl.

  • Can I find deals for business class flights from Portland to Glasgow Intl?

    Yes. Cheapflights offers flight deals from Portland to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Glasgow Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Glasgow Intl Airport (average of $472). Flying from Portland, Maine to Glasgow Intl Airport in June is currently the most expensive (average of $579). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley

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